With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
taggedModeOperStatus
tagged Mode Operation Status
1.3.6.1.4.1.3646.1300.2.1.11.1.19
Card operational tagged mode. This entry indicates tagged mode running on the specific card. All ports of the tagged type card will drop packets that don't have tagged header. And all ports of untagged type card will drop packets that have tagged header. Do nothing for 'noAction' case.
Back to ASKEY-SYSTEM-MIB MIB page.
IPHost Network monitor allows you to monitor taggedModeOperStatus on D-Link device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring D-Link IP cameras right now.